UMTS/HSPA Module Series
WCDMA UGxx AT Commands Manual
WCDMA_UGxx_AT_Commands_Manual Confidential / Released 68 / 247
Example
AT+CPIN?
+CPIN: READY
OK
AT+CPWD="SC","1234","4321"
//Change SIM card password to "4321"
OK
//Restart module or re-activate the SIM card
AT+CPIN
//Query PIN code is locked
+CPIN: SIM PIN
OK
AT+CPIN=4321
//PIN must be entered to define a new password "4321"
OK
+CPIN: READY
5.5. AT+CSIM Generic SIM Access
AT+CSIM allows a direct control of the SIM that is installed in the currently selected card slot by a distant
application on the TE. The TE shall then keep the processing of SIM information within the frame
specified by GSM/UMTS.
"AC All incoming barring services (refer to 3GPP TS 22.030, applicable only for
<mode>
=0)
"PS" PH SIM (lock Phone to SIM/UICC card)(MT asks password when other current
SIM/UICC card inserted;
MT may remember certain amount of previously used cards thus not requiring
password when they are inserted)
"P2" SIM PIN2
"PN"
Network Personalization (refer to 3GPP TS 22.022)
"PU"
Network Subset Personalization (refer to 3GPP TS 22.022)
"PP"
Service Provider Personalization (refer to 3GPP TS 22.022)
"PC"
Corporate Personalization (refer to 3GPP TS 22.022)
<pwdlength>
Integer type, max length of password
<oldpwd>
Password specified for the facility from the user interface or with command
<newpwd>
New password
Quectel
Confidential